/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraRibbonRendererProperties.h
Specifies options for distributing UV values across ribbon segments.
enum ENiagaraRibbonUVDistributionMode { ScaledUniformly, ScaledUsingRibbonSegmentLength, TiledOverRibbonLength, TiledFromStartOverRibbonLength, }